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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Copyright 2007 the original author or authors.<a name="line.2"></a>
<FONT color="green">003</FONT>     *<a name="line.3"></a>
<FONT color="green">004</FONT>     * Licensed under the Apache License, Version 2.0 (the "License");<a name="line.4"></a>
<FONT color="green">005</FONT>     * you may not use this file except in compliance with the License.<a name="line.5"></a>
<FONT color="green">006</FONT>     * You may obtain a copy of the License at<a name="line.6"></a>
<FONT color="green">007</FONT>     *<a name="line.7"></a>
<FONT color="green">008</FONT>     *      http://www.apache.org/licenses/LICENSE-2.0<a name="line.8"></a>
<FONT color="green">009</FONT>     *<a name="line.9"></a>
<FONT color="green">010</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.10"></a>
<FONT color="green">011</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.11"></a>
<FONT color="green">012</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.12"></a>
<FONT color="green">013</FONT>     * See the License for the specific language governing permissions and<a name="line.13"></a>
<FONT color="green">014</FONT>     * limitations under the License.<a name="line.14"></a>
<FONT color="green">015</FONT>     */<a name="line.15"></a>
<FONT color="green">016</FONT>    package org.codehaus.groovy.grails.plugins.searchable.util;<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    import org.codehaus.groovy.grails.commons.GrailsDomainClass;<a name="line.18"></a>
<FONT color="green">019</FONT>    import org.codehaus.groovy.grails.commons.GrailsDomainClassProperty;<a name="line.19"></a>
<FONT color="green">020</FONT>    import org.codehaus.groovy.grails.orm.hibernate.cfg.CompositeIdentity;<a name="line.20"></a>
<FONT color="green">021</FONT>    import org.codehaus.groovy.grails.orm.hibernate.cfg.Mapping;<a name="line.21"></a>
<FONT color="green">022</FONT>    import org.codehaus.groovy.grails.orm.hibernate.cfg.GrailsDomainBinder;<a name="line.22"></a>
<FONT color="green">023</FONT>    import org.springframework.util.Assert;<a name="line.23"></a>
<FONT color="green">024</FONT>    <a name="line.24"></a>
<FONT color="green">025</FONT>    import java.util.*;<a name="line.25"></a>
<FONT color="green">026</FONT>    <a name="line.26"></a>
<FONT color="green">027</FONT>    /**<a name="line.27"></a>
<FONT color="green">028</FONT>     * @author Maurice Nicholson<a name="line.28"></a>
<FONT color="green">029</FONT>     */<a name="line.29"></a>
<FONT color="green">030</FONT>    public class GrailsDomainClassUtils {<a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>        /**<a name="line.32"></a>
<FONT color="green">033</FONT>         * Is the given property an identity property? Checks the property as well as the custom domain class mapping<a name="line.33"></a>
<FONT color="green">034</FONT>         * @param domainClassProperty domain clas property<a name="line.34"></a>
<FONT color="green">035</FONT>         * @return true if the property is the/an identity property<a name="line.35"></a>
<FONT color="green">036</FONT>         */<a name="line.36"></a>
<FONT color="green">037</FONT>        public static boolean isIndentityProperty(GrailsDomainClassProperty domainClassProperty) {<a name="line.37"></a>
<FONT color="green">038</FONT>            Mapping mapping = GrailsDomainBinder.getMapping(domainClassProperty.getDomainClass().getClazz());<a name="line.38"></a>
<FONT color="green">039</FONT>            if (mapping != null &amp;&amp; mapping.getIdentity() instanceof CompositeIdentity) {<a name="line.39"></a>
<FONT color="green">040</FONT>                CompositeIdentity identity = (CompositeIdentity) mapping.getIdentity();<a name="line.40"></a>
<FONT color="green">041</FONT>                return Arrays.asList(identity.getPropertyNames()).contains(domainClassProperty.getName());<a name="line.41"></a>
<FONT color="green">042</FONT>            }<a name="line.42"></a>
<FONT color="green">043</FONT>            return domainClassProperty.isIdentity();<a name="line.43"></a>
<FONT color="green">044</FONT>        }<a name="line.44"></a>
<FONT color="green">045</FONT>    <a name="line.45"></a>
<FONT color="green">046</FONT>        /**<a name="line.46"></a>
<FONT color="green">047</FONT>         * Get the subclasses for the given GrailsDomainClass, filtering out any not in the given collection<a name="line.47"></a>
<FONT color="green">048</FONT>         * @param grailsDomainClass the GrailsDomainClass to find subclasses for<a name="line.48"></a>
<FONT color="green">049</FONT>         * @param grailsDomainClasses the collection of valid sub-classes<a name="line.49"></a>
<FONT color="green">050</FONT>         * @return the collection of subclasses, if any<a name="line.50"></a>
<FONT color="green">051</FONT>         */<a name="line.51"></a>
<FONT color="green">052</FONT>        public static Collection getSubClasses(GrailsDomainClass grailsDomainClass, Collection grailsDomainClasses) {<a name="line.52"></a>
<FONT color="green">053</FONT>            Set subClasses = new HashSet(grailsDomainClass.getSubClasses());<a name="line.53"></a>
<FONT color="green">054</FONT>            subClasses.retainAll(grailsDomainClasses);<a name="line.54"></a>
<FONT color="green">055</FONT>            return subClasses;<a name="line.55"></a>
<FONT color="green">056</FONT>        }<a name="line.56"></a>
<FONT color="green">057</FONT>    <a name="line.57"></a>
<FONT color="green">058</FONT>        /**<a name="line.58"></a>
<FONT color="green">059</FONT>         * Get the parent GrailsDomainClass for the given GrailsDomainClass, if it<a name="line.59"></a>
<FONT color="green">060</FONT>         * exists in the given collection otherwise null<a name="line.60"></a>
<FONT color="green">061</FONT>         *<a name="line.61"></a>
<FONT color="green">062</FONT>         * @param grailsDomainClass the class whose parent to find<a name="line.62"></a>
<FONT color="green">063</FONT>         * @param grailsDomainClasses the collection of possible parents<a name="line.63"></a>
<FONT color="green">064</FONT>         * @return null if the given class has no parent or the parent is not in the collection<a name="line.64"></a>
<FONT color="green">065</FONT>         */<a name="line.65"></a>
<FONT color="green">066</FONT>        public static GrailsDomainClass getSuperClass(GrailsDomainClass grailsDomainClass, Collection grailsDomainClasses) {<a name="line.66"></a>
<FONT color="green">067</FONT>            Set candidates = new HashSet();<a name="line.67"></a>
<FONT color="green">068</FONT>            for (Iterator iter = grailsDomainClasses.iterator(); iter.hasNext(); ) {<a name="line.68"></a>
<FONT color="green">069</FONT>                GrailsDomainClass gdc = (GrailsDomainClass) iter.next();<a name="line.69"></a>
<FONT color="green">070</FONT>                if (gdc.getSubClasses().contains(grailsDomainClass)) {<a name="line.70"></a>
<FONT color="green">071</FONT>                    candidates.add(gdc);<a name="line.71"></a>
<FONT color="green">072</FONT>                }<a name="line.72"></a>
<FONT color="green">073</FONT>            }<a name="line.73"></a>
<FONT color="green">074</FONT>            if (candidates.isEmpty()) {<a name="line.74"></a>
<FONT color="green">075</FONT>                return null;<a name="line.75"></a>
<FONT color="green">076</FONT>            }<a name="line.76"></a>
<FONT color="green">077</FONT>            while (candidates.size() &gt; 1) {<a name="line.77"></a>
<FONT color="green">078</FONT>                Set copy = new HashSet(candidates);<a name="line.78"></a>
<FONT color="green">079</FONT>                for (Iterator iter = copy.iterator(); iter.hasNext(); ) {<a name="line.79"></a>
<FONT color="green">080</FONT>                    GrailsDomainClass supsup = (GrailsDomainClass) iter.next();<a name="line.80"></a>
<FONT color="green">081</FONT>                    boolean remove = false;<a name="line.81"></a>
<FONT color="green">082</FONT>                    for (Iterator iter2 = candidates.iterator(); iter2.hasNext(); ) {<a name="line.82"></a>
<FONT color="green">083</FONT>                        GrailsDomainClass sup = (GrailsDomainClass) iter2.next();<a name="line.83"></a>
<FONT color="green">084</FONT>                        if (supsup.getSubClasses().contains(sup)) {<a name="line.84"></a>
<FONT color="green">085</FONT>                            remove = true;<a name="line.85"></a>
<FONT color="green">086</FONT>                            break;<a name="line.86"></a>
<FONT color="green">087</FONT>                        }<a name="line.87"></a>
<FONT color="green">088</FONT>                    }<a name="line.88"></a>
<FONT color="green">089</FONT>                    if (remove) {<a name="line.89"></a>
<FONT color="green">090</FONT>                        candidates.remove(supsup);<a name="line.90"></a>
<FONT color="green">091</FONT>                        break;<a name="line.91"></a>
<FONT color="green">092</FONT>                    }<a name="line.92"></a>
<FONT color="green">093</FONT>                }<a name="line.93"></a>
<FONT color="green">094</FONT>            }<a name="line.94"></a>
<FONT color="green">095</FONT>            return (GrailsDomainClass) candidates.iterator().next();<a name="line.95"></a>
<FONT color="green">096</FONT>        }<a name="line.96"></a>
<FONT color="green">097</FONT>    <a name="line.97"></a>
<FONT color="green">098</FONT>        /**<a name="line.98"></a>
<FONT color="green">099</FONT>         * Get all the super-classes in the given GrailsDomainClass's hierarchy<a name="line.99"></a>
<FONT color="green">100</FONT>         * @param grailsDomainClass<a name="line.100"></a>
<FONT color="green">101</FONT>         * @param grailsDomainClasses<a name="line.101"></a>
<FONT color="green">102</FONT>         * @return<a name="line.102"></a>
<FONT color="green">103</FONT>         */<a name="line.103"></a>
<FONT color="green">104</FONT>        public static Collection getSuperClasses(GrailsDomainClass grailsDomainClass, Collection grailsDomainClasses) {<a name="line.104"></a>
<FONT color="green">105</FONT>            Set superClasses = new HashSet();<a name="line.105"></a>
<FONT color="green">106</FONT>            do {<a name="line.106"></a>
<FONT color="green">107</FONT>                GrailsDomainClass superClass = getSuperClass(grailsDomainClass, grailsDomainClasses);<a name="line.107"></a>
<FONT color="green">108</FONT>                if (superClass != null) {<a name="line.108"></a>
<FONT color="green">109</FONT>                    superClasses.add(superClass);<a name="line.109"></a>
<FONT color="green">110</FONT>                }<a name="line.110"></a>
<FONT color="green">111</FONT>                grailsDomainClass = superClass;<a name="line.111"></a>
<FONT color="green">112</FONT>            } while (grailsDomainClass != null);<a name="line.112"></a>
<FONT color="green">113</FONT>            return superClasses;<a name="line.113"></a>
<FONT color="green">114</FONT>        }<a name="line.114"></a>
<FONT color="green">115</FONT>    <a name="line.115"></a>
<FONT color="green">116</FONT>        /**<a name="line.116"></a>
<FONT color="green">117</FONT>         * Get the actual (user-defined) Classes for the given GrailsDomainClass Collection.<a name="line.117"></a>
<FONT color="green">118</FONT>         * Equivalent to collecting the results of &lt;code&gt;grailsDomainClass.getClazz()&lt;/code&gt; on<a name="line.118"></a>
<FONT color="green">119</FONT>         * each element<a name="line.119"></a>
<FONT color="green">120</FONT>         *<a name="line.120"></a>
<FONT color="green">121</FONT>         * @param grailsDomainClasses<a name="line.121"></a>
<FONT color="green">122</FONT>         * @return A collection of User-defined classes, which may be empty<a name="line.122"></a>
<FONT color="green">123</FONT>         */<a name="line.123"></a>
<FONT color="green">124</FONT>        public static Collection getClazzes(Collection grailsDomainClasses) {<a name="line.124"></a>
<FONT color="green">125</FONT>            if (grailsDomainClasses == null || grailsDomainClasses.isEmpty()) {<a name="line.125"></a>
<FONT color="green">126</FONT>                return Collections.EMPTY_SET;<a name="line.126"></a>
<FONT color="green">127</FONT>            }<a name="line.127"></a>
<FONT color="green">128</FONT>            Set clazzes = new HashSet();<a name="line.128"></a>
<FONT color="green">129</FONT>            for (Iterator iter = grailsDomainClasses.iterator(); iter.hasNext(); ) {<a name="line.129"></a>
<FONT color="green">130</FONT>                clazzes.add(((GrailsDomainClass) iter.next()).getClazz());<a name="line.130"></a>
<FONT color="green">131</FONT>            }<a name="line.131"></a>
<FONT color="green">132</FONT>            return clazzes;<a name="line.132"></a>
<FONT color="green">133</FONT>        }<a name="line.133"></a>
<FONT color="green">134</FONT>    <a name="line.134"></a>
<FONT color="green">135</FONT>        /**<a name="line.135"></a>
<FONT color="green">136</FONT>         * Gets the GrailsDomainClass for the given user-defined clazz<a name="line.136"></a>
<FONT color="green">137</FONT>         * @param clazz the user-defined domain class<a name="line.137"></a>
<FONT color="green">138</FONT>         * @param grailsDomainClasses the collection of GrailsDomainClasses to look thru<a name="line.138"></a>
<FONT color="green">139</FONT>         * @return the corresponding GrailsDomainClass<a name="line.139"></a>
<FONT color="green">140</FONT>         */<a name="line.140"></a>
<FONT color="green">141</FONT>        public static GrailsDomainClass getGrailsDomainClass(Class clazz, Collection grailsDomainClasses) {<a name="line.141"></a>
<FONT color="green">142</FONT>            for (Iterator iter = grailsDomainClasses.iterator(); iter.hasNext(); ) {<a name="line.142"></a>
<FONT color="green">143</FONT>                GrailsDomainClass grailsDomainClass = (GrailsDomainClass) iter.next();<a name="line.143"></a>
<FONT color="green">144</FONT>                if (grailsDomainClass.getClazz().equals(clazz)) {<a name="line.144"></a>
<FONT color="green">145</FONT>                    return grailsDomainClass;<a name="line.145"></a>
<FONT color="green">146</FONT>                }<a name="line.146"></a>
<FONT color="green">147</FONT>            }<a name="line.147"></a>
<FONT color="green">148</FONT>            return null;<a name="line.148"></a>
<FONT color="green">149</FONT>        }<a name="line.149"></a>
<FONT color="green">150</FONT>    <a name="line.150"></a>
<FONT color="green">151</FONT>        /**<a name="line.151"></a>
<FONT color="green">152</FONT>         * Returns the named property for the given domain class's clazz<a name="line.152"></a>
<FONT color="green">153</FONT>         * @param grailsDomainClasses a collection GrailsDomainClass<a name="line.153"></a>
<FONT color="green">154</FONT>         * @param clazz the user domain Class<a name="line.154"></a>
<FONT color="green">155</FONT>         * @param propertyName the property name<a name="line.155"></a>
<FONT color="green">156</FONT>         * @return the property<a name="line.156"></a>
<FONT color="green">157</FONT>         */<a name="line.157"></a>
<FONT color="green">158</FONT>        public static GrailsDomainClassProperty getGrailsDomainClassProperty(Collection grailsDomainClasses, Class clazz, String propertyName) {<a name="line.158"></a>
<FONT color="green">159</FONT>            GrailsDomainClass grailsDomainClass = getGrailsDomainClass(clazz, grailsDomainClasses);<a name="line.159"></a>
<FONT color="green">160</FONT>            Assert.notNull(grailsDomainClass, "GrailsDomainClass not found for clazz [" + clazz + "]");<a name="line.160"></a>
<FONT color="green">161</FONT>            return grailsDomainClass.getPropertyByName(propertyName);<a name="line.161"></a>
<FONT color="green">162</FONT>        }<a name="line.162"></a>
<FONT color="green">163</FONT>    <a name="line.163"></a>
<FONT color="green">164</FONT>        /**<a name="line.164"></a>
<FONT color="green">165</FONT>         * Is the given GrailsDomainClass with an inheritance hierarchy with the given collection?<a name="line.165"></a>
<FONT color="green">166</FONT>         * @param grailsDomainClass the grails domain class<a name="line.166"></a>
<FONT color="green">167</FONT>         * @param grailsDomainClasses the collection of grails domain classes<a name="line.167"></a>
<FONT color="green">168</FONT>         * @return true if the given class is within a hierarchy: it has super or sub-classes<a name="line.168"></a>
<FONT color="green">169</FONT>         */<a name="line.169"></a>
<FONT color="green">170</FONT>        public static boolean isWithinInhertitanceHierarchy(GrailsDomainClass grailsDomainClass, Collection grailsDomainClasses) {<a name="line.170"></a>
<FONT color="green">171</FONT>            if (getSuperClass(grailsDomainClass, grailsDomainClasses) != null) {<a name="line.171"></a>
<FONT color="green">172</FONT>                return true;<a name="line.172"></a>
<FONT color="green">173</FONT>            }<a name="line.173"></a>
<FONT color="green">174</FONT>            for (Iterator iter = grailsDomainClass.getSubClasses().iterator(); iter.hasNext(); ) {<a name="line.174"></a>
<FONT color="green">175</FONT>                Object o = iter.next();<a name="line.175"></a>
<FONT color="green">176</FONT>                if (grailsDomainClasses.contains(o)) {<a name="line.176"></a>
<FONT color="green">177</FONT>                    return true;<a name="line.177"></a>
<FONT color="green">178</FONT>                }<a name="line.178"></a>
<FONT color="green">179</FONT>            }<a name="line.179"></a>
<FONT color="green">180</FONT>            return false;<a name="line.180"></a>
<FONT color="green">181</FONT>        }<a name="line.181"></a>
<FONT color="green">182</FONT>    }<a name="line.182"></a>




























































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